问题
选择题
—Look, Mr. King is swimming in the pool.
—It ________ be Mr. King. He has gone to Kunming on vacation.[ ]
A. can
B. can't
C. must
D. mustn't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Look, Mr. King is swimming in the pool.
—It ________ be Mr. King. He has gone to Kunming on vacation.[ ]
A. can
B. can't
C. must
D. mustn't
答案：B